121472263 has 12 divisors (see below), whose sum is σ = 140549080. Its totient is φ = 104615280.

The previous prime is 121472257. The next prime is 121472297. The reversal of 121472263 is 362274121.

It is a de Polignac number, because none of the positive numbers 2^k-121472263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121472063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24120 + ... + 28717.

Almost surely, 2^121472263 is an apocalyptic number.

121472263 is a deficient number, since it is larger than the sum of its proper divisors (19076817).

121472263 is a wasteful number, since it uses less digits than its factorization.

121472263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52878 (or 52867 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 121472263 is about 11021.4455948392. The cubic root of 121472263 is about 495.2513949365.

The spelling of 121472263 in words is "one hundred twenty-one million, four hundred seventy-two thousand, two hundred sixty-three".